Re: compiling dahdi-linux kernel module

[Anthony Messina]

Quoting "Dr. Robert Marmorstein" :

I've been working on this too, this week.  I think I have it working  
from source but haven't finished testing yet.  The source install  
wasn't really too bad, so I recommend it.  The messinet rpms didn't  
work for me.


Feel free to contact me offline to let me know what didn't work and I  
may be able to resolve that in future packages.  -A

--
Anthony - https://messinet.com/ - https://messinet.com/~amessina/gallery
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Re: compiling dahdi-linux kernel module

[Dr. Robert Marmorstein]

I've been working on this too, this week.  I think I have it working from 
source but haven't finished testing yet.  The source install wasn't really too 
bad, so I recommend it.  The messinet rpms didn't work for me.
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Re: compiling dahdi-linux kernel module

[Ed Greshko]

On 08/01/2017 09:31 PM, Ed Greshko wrote:
> On 08/01/2017 08:48 PM, Greg Woods wrote:
>>
>> On Sun, Jul 30, 2017 at 9:47 PM, Greg Woods > > wrote:
>>
>>
>>
>> On Sun, Jul 30, 2017 at 3:04 PM, Joe Zeff > > wrote:
>>
>> On 07/30/2017 01:54 PM, Greg Woods wrote:
>>
>> It looks like some warnings are being treated as errors, such as 
>> an
>> implicit function declaration in this case. Is there a way I can 
>> turn
>> that off just long enough to get this module built? I'm stuck 
>> running a
>> non-updateable kernel until I can find a way around this. In my 
>> early
>> career I used to build stuff all the time, but it has been a 
>> while
>> since I have had to compile anything from source.
>>
>>
>> Have you discussed this with the people who wrote and maintain this?
>>
>>
>> I did what I probably should have done in the first place: I posted this 
>> to the
>> asterisk list. And it turns out someone does have a patched src rpm. 
>> When I get
>> some time later this week, I'll try it out, because I definitely don't 
>> want to
>> be running a kernel that I can't update.
>>
>>
>> Just to close out this thread in case someone encounters it in the archives 
>> later:
>> I was able to find some patch files inside the source RPM at
>>
>>  https://messinet.com/pub/fedora/linux/updates/26/SRPMS/
>>
>> This also contains the 2.11 version of the dahdi-linux module. After 
>> refreshing my
>> memory on how to use the patch program, I was able to apply the patches and 
>> build
>> the module for the latest F24 kernel (4.11.12-100.fc24.x86_64) and it is 
>> working.
>> Hopefully I can now proceed to upgrade the asterisk server box to F25 and 
>> then F26,
>> and build the dahdi module for those kernels.
>
> You should check out https://messinet.com/rpms/
>
> Scan down the page and you'd find they have their own repo you could install 
> on your
> F26 system and just use dnf to install their stuff.

And they use koji 

https://messinet.com/koji/buildinfo?buildID=3118


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Re: compiling dahdi-linux kernel module

[Ed Greshko]

On 08/01/2017 08:48 PM, Greg Woods wrote:
>
>
> On Sun, Jul 30, 2017 at 9:47 PM, Greg Woods  > wrote:
>
>
>
> On Sun, Jul 30, 2017 at 3:04 PM, Joe Zeff  > wrote:
>
> On 07/30/2017 01:54 PM, Greg Woods wrote:
>
> It looks like some warnings are being treated as errors, such as 
> an
> implicit function declaration in this case. Is there a way I can 
> turn
> that off just long enough to get this module built? I'm stuck 
> running a
> non-updateable kernel until I can find a way around this. In my 
> early
> career I used to build stuff all the time, but it has been a while
> since I have had to compile anything from source.
>
>
> Have you discussed this with the people who wrote and maintain this?
>
>
> I did what I probably should have done in the first place: I posted this 
> to the
> asterisk list. And it turns out someone does have a patched src rpm. When 
> I get
> some time later this week, I'll try it out, because I definitely don't 
> want to
> be running a kernel that I can't update.
>
>
> Just to close out this thread in case someone encounters it in the archives 
> later:
> I was able to find some patch files inside the source RPM at
>
>  https://messinet.com/pub/fedora/linux/updates/26/SRPMS/
>
> This also contains the 2.11 version of the dahdi-linux module. After 
> refreshing my
> memory on how to use the patch program, I was able to apply the patches and 
> build
> the module for the latest F24 kernel (4.11.12-100.fc24.x86_64) and it is 
> working.
> Hopefully I can now proceed to upgrade the asterisk server box to F25 and 
> then F26,
> and build the dahdi module for those kernels.


You should check out https://messinet.com/rpms/

Scan down the page and you'd find they have their own repo you could install on 
your
F26 system and just use dnf to install their stuff.


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Re: compiling dahdi-linux kernel module

[Greg Woods]

On Sun, Jul 30, 2017 at 9:47 PM, Greg Woods  wrote:

>
>
> On Sun, Jul 30, 2017 at 3:04 PM, Joe Zeff  wrote:
>
>> On 07/30/2017 01:54 PM, Greg Woods wrote:
>>
>>> It looks like some warnings are being treated as errors, such as an
>>> implicit function declaration in this case. Is there a way I can turn that
>>> off just long enough to get this module built? I'm stuck running a
>>> non-updateable kernel until I can find a way around this. In my early
>>> career I used to build stuff all the time, but it has been a while since I
>>> have had to compile anything from source.
>>>
>>
>> Have you discussed this with the people who wrote and maintain this?
>>
>
> I did what I probably should have done in the first place: I posted this
> to the asterisk list. And it turns out someone does have a patched src rpm.
> When I get some time later this week, I'll try it out, because I definitely
> don't want to be running a kernel that I can't update.
>
>
Just to close out this thread in case someone encounters it in the archives
later: I was able to find some patch files inside the source RPM at

 https://messinet.com/pub/fedora/linux/updates/26/SRPMS/

This also contains the 2.11 version of the dahdi-linux module. After
refreshing my memory on how to use the patch program, I was able to apply
the patches and build the module for the latest F24 kernel
(4.11.12-100.fc24.x86_64) and it is working. Hopefully I can now proceed to
upgrade the asterisk server box to F25 and then F26, and build the dahdi
module for those kernels.

--Greg
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Re: compiling dahdi-linux kernel module

[Greg Woods]

On Sun, Jul 30, 2017 at 3:04 PM, Joe Zeff  wrote:

> On 07/30/2017 01:54 PM, Greg Woods wrote:
>
>> It looks like some warnings are being treated as errors, such as an
>> implicit function declaration in this case. Is there a way I can turn that
>> off just long enough to get this module built? I'm stuck running a
>> non-updateable kernel until I can find a way around this. In my early
>> career I used to build stuff all the time, but it has been a while since I
>> have had to compile anything from source.
>>
>
> Have you discussed this with the people who wrote and maintain this?
>

I did what I probably should have done in the first place: I posted this to
the asterisk list. And it turns out someone does have a patched src rpm.
When I get some time later this week, I'll try it out, because I definitely
don't want to be running a kernel that I can't update.

--Greg
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Re: compiling dahdi-linux kernel module

[Samuel Sieb]

On 07/30/2017 02:40 PM, Greg Woods wrote:
I suppose so, but "upstream" in this case is a hardware vendor, who is 
much less motivated to keep supporting a 10-year-old card than they are 
to sell new hardware. The last update to the module source was around 
March of 2016. Unfortunately telephony cards in general are way 
overpriced for what they do. Maybe patents involved? But this was a $600 
PCI card ten years ago, I can't afford to just junk it now. If it 
weren't so expensive to replace, I wouldn't even think of trying to keep 
running hardware this old.


I've seen similar cards for significantly less than that.  And depending 
on what you're trying to do, there are other options as well.  If you're 
interested, email me directly to take it off the list.


A Fedora-related question is wondering whether I can upgrade to F25 and 
still keep running an F24 kernel.


I would expect things would keep working.  Just be careful that the 
kernel you want doesn't get removed during an update.  The easiest 
method would be to keep the latest kernel and the kernel you want.  Any 
other kernel packages will need to be removed before doing any updates.

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Re: compiling dahdi-linux kernel module

[Greg Woods]

On Sun, Jul 30, 2017 at 3:24 PM, Samuel Sieb  wrote:

>   If they're going to supply a non-free kernel module, they'll have to
> deal with the problems.
>
>
I suppose so, but "upstream" in this case is a hardware vendor, who is much
less motivated to keep supporting a 10-year-old card than they are to sell
new hardware. The last update to the module source was around March of
2016. Unfortunately telephony cards in general are way overpriced for what
they do. Maybe patents involved? But this was a $600 PCI card ten years
ago, I can't afford to just junk it now. If it weren't so expensive to
replace, I wouldn't even think of trying to keep running hardware this old.

I guess I can file a support ticket with Digium, but I doubt I'll get much
of a helpful response.  I was just sort of hoping against hope that
somebody had seen this and knew of a workaround.

In the meantime my only real option is to keep running the old kernel.

A Fedora-related question is wondering whether I can upgrade to F25 and
still keep running an F24 kernel.

--Greg
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Re: compiling dahdi-linux kernel module

[Samuel Sieb]

On 07/30/2017 01:54 PM, Greg Woods wrote:
/local/src/dahdi-linux-master/drivers/dahdi/dahdi-base.c: In function 
‘dahdi_ioctl_iomux’:
/local/src/dahdi-linux-master/drivers/dahdi/dahdi-base.c:5954:7: error: 
implicit declaration of function ‘signal_pending’ 
[-Werror=implicit-function-declaration]

if (signal_pending(current)) {
^~
cc1: some warnings being treated as errors

It looks like some warnings are being treated as errors, such as an 
implicit function declaration in this case. Is there a way I can turn 
that off just long enough to get this module built? I'm stuck running a 
non-updateable kernel until I can find a way around this. In my early 
career I used to build stuff all the time, but it has been a while since 
I have had to compile anything from source.


That is a warning that generally indicates an error.  You might be able 
to ignore that warning, but you will probably get a linking error 
further on.  It's possible that that function has been changed.  I don't 
see that function name in my /usr/include anywhere.  Has the module 
source been kept up-to-date with the kernel?  As Joe said, check with 
upstream.  If they're going to supply a non-free kernel module, they'll 
have to deal with the problems.

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Re: compiling dahdi-linux kernel module

[Joe Zeff]

On 07/30/2017 01:54 PM, Greg Woods wrote:
It looks like some warnings are being treated as errors, such as an 
implicit function declaration in this case. Is there a way I can turn 
that off just long enough to get this module built? I'm stuck running a 
non-updateable kernel until I can find a way around this. In my early 
career I used to build stuff all the time, but it has been a while since 
I have had to compile anything from source.


Have you discussed this with the people who wrote and maintain this?
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compiling dahdi-linux kernel module

[Greg Woods]

The dahdi kernel module (used by asterisk for some Digium telephony cards,
including the one I have) is not included in Fedora because it is not free
software. The dahdi configuration tools are included, but not the kernel
module. The software is free as in beer, it can be downloaded and built,
and I have successfully done that in the past. However, the last time the
kernel module compiled successfully was back
at kernel-4.6.3-300.fc24.x86_64 . On all newer kernels that I have tried, I
get this:

[root@worldsys dahdi-linux-master]# make
make -C drivers/dahdi/firmware firmware-loaders
make[1]: Entering directory
'/local/src/dahdi-linux-master/drivers/dahdi/firmware'
make[1]: Leaving directory
'/local/src/dahdi-linux-master/drivers/dahdi/firmware'
make -C /lib/modules/4.11.12-100.fc24.x86_64/build
SUBDIRS=/local/src/dahdi-linux-master/drivers/dahdi
DAHDI_INCLUDE=/local/src/dahdi-linux-master/include DAHDI_MODULES_EXTRA=" "
HOTPLUG_FIRMWARE=yes modules DAHDI_BUILD_ALL=m
make[1]: Entering directory '/usr/src/kernels/4.11.12-100.fc24.x86_64'
  CC [M]  /local/src/dahdi-linux-master/drivers/dahdi/dahdi-base.o
/local/src/dahdi-linux-master/drivers/dahdi/dahdi-base.c: In function
‘dahdi_ioctl_iomux’:
/local/src/dahdi-linux-master/drivers/dahdi/dahdi-base.c:5954:7: error:
implicit declaration of function ‘signal_pending’
[-Werror=implicit-function-declaration]
   if (signal_pending(current)) {
   ^~
cc1: some warnings being treated as errors
scripts/Makefile.build:294: recipe for target
'/local/src/dahdi-linux-master/drivers/dahdi/dahdi-base.o' failed
make[2]: *** [/local/src/dahdi-linux-master/drivers/dahdi/dahdi-base.o]
Error 1
Makefile:1496: recipe for target
'_module_/local/src/dahdi-linux-master/drivers/dahdi' failed
make[1]: *** [_module_/local/src/dahdi-linux-master/drivers/dahdi] Error 2
make[1]: Leaving directory '/usr/src/kernels/4.11.12-100.fc24.x86_64'

It looks like some warnings are being treated as errors, such as an
implicit function declaration in this case. Is there a way I can turn that
off just long enough to get this module built? I'm stuck running a
non-updateable kernel until I can find a way around this. In my early
career I used to build stuff all the time, but it has been a while since I
have had to compile anything from source.

Thanks,
--Greg
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